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 * and open the template in the editor.
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package com.zjdt.epserver.servlet.siter;

import com.zjdt.epserver.db.service4mysql.SiterServiceImpl;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Date;
import java.util.Map;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.dusin.mobile.util.MobileUserList;
import org.dusin.util.DateUtil;
import org.dusin.web.util.JsonUtil;
import org.springframework.context.ApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;

/**
 *
 * @author dusin
 */
@WebServlet(name = "SiterLogin", urlPatterns = {"/servlet/siter/Login"})
public class Login extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/json;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            ApplicationContext context = WebApplicationContextUtils.getWebApplicationContext(getServletContext());
            SiterServiceImpl siterService = (SiterServiceImpl)context.getBean("siterService");
         
            String username = request.getParameter("username");
            username = new String(username.getBytes("ISO-8859-1"), "UTF-8");
            String password = request.getParameter("password");
            String remoteAddr = request.getRemoteAddr();
            Map<String,Object> user  = siterService.login(username,password);
            Map<String,Object> loggedUser=null;           //已登录用户，已存在与用户列表中
            if(null!=user){
                String ip = request.getRemoteAddr();
                int port = request.getRemotePort();                 
                ServletContext sc = this.getServletContext();
                MobileUserList musers = (MobileUserList)sc.getAttribute("siters");
                loggedUser = musers.getUserByUsername(username);
                if(loggedUser == null){
                    loggedUser = user;                    
                    musers.add(loggedUser);
                }else{
                    loggedUser.putAll(user);
                }
                musers.updateTime(username);
                String loginTime = DateUtil.get(new Date(),"yyyyMMddHHmmss");                
                String logid = username+loginTime;                 
                loggedUser.put("logid",logid);   //此次登录的logid，退出时更新                
                loggedUser.remove("password");
                loggedUser.put("logid",logid);   //此次登录的logid，退出时更新
                loggedUser.put("success", true);
                out.println(JsonUtil.toJsonText(loggedUser));
            }else{
                String msg = "用户名或密码不正确";
                String jsonText = JsonUtil.createFailureJsonResponse(msg);                
                out.print(jsonText);                
            }
            out.flush();
        }catch(Exception e){
            e.printStackTrace();
            String jsonText = JsonUtil.createFailureJsonResponse("操作失败");
            out.print(jsonText);
        }finally {            
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
